Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Thalamic Tremor:Case Reports and Implications of the Tremor-Generating Mechanism
Neurol 46:75-79, Miwa,H.,et al, 1996
Classification and Treatment of Tremor
JAMA 266:1115-1117, Hallett,M., 1991